How popular is Jacque?

Jacque is an uncommonly occurring given name for men but a very prominent last name for all people (#34757 out of 150436, Top 23%). (2000 U.S. Census)

Jacque was first listed in 1920-1929 and reached its apex position of #1459 in the U.S. in the 1960s, but is not found in the list currently. (2015 Birth Statistics)

Which version is better?

with its source form and related boy names. Jacques(#1713 last year) and Jock are the popular variation forms of Jacque rated in the Top 2000. Other variants, like Jaques, are seldom used. These relations of Jacque were favored by parents 5 decades ago (adoption of 0.01%) and have become much less conventional since.